Moscow -LRB- CNN -RRB- -- A cargo train derailed Tuesday and crashed into a passenger train near Moscow , killing several passengers and wounding dozens , officials said .

The Russian Healthcare Ministry reported that six people died in the crash . State-run news agency ITAR-Tass said nine were killed , according to the Moldovan Ministry of Transport .

Of the 45 people injured in the crash , 18 were taken to hospitals , and five are in critical condition , ITAR-Tass reported .

The accident took place near Naro-Fominsk , southwest of Moscow , the Emergency Ministry told CNN .

Thirteen cars of the freight train derailed and crashed into a passenger train traveling from Moscow to Chisinau , `` eventually overturning three of the train 's cars with people inside , '' ITAR-Tass reported .

Rail traffic in and out of Moscow 's southwest was suspended , the report said .

A total of 394 tickets were purchased for the passenger train , the Interior Ministry said .

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NEW : There are conflicting reports of the death toll

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A cargo train derailed and crashed into a passenger train

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The accident occurred southwest of Moscow